Filter
Top Products
– vii –
TABLE OF CONTENTS
SAFETY PRECAUTIONS ..........................................................................................................................................i
PERFORMANCE SPECIFICATIONS ......................................................................................................................vi
Frequency Response Graphs
INTRODUCTION ..................................................................................................................................................1
TECHNICAL DESIGN FEATURES ............................................................................................................................1
FRONT & REAR PANEL VIEWS ..............................................................................................................................4
SCHEMATIC DIAGRAMS ........................................................................................................................................5
INSTALLATION
Location ............................................................................................................................................................9
Studio Installations ............................................................................................................................................9
Home Theater Installations ................................................................................................................................9
Input Switch ....................................................................................................................................................10
XLR Wiring Configurations ..............................................................................................................................10
OPERATION
Auto Turn-On/Sleep Mode................................................................................................................................11
Input Sensitivity................................................................................................................................................11
Low-Pass Crossover ........................................................................................................................................11
Phase Control ..................................................................................................................................................12
AC Line............................................................................................................................................................13
LED Indicator ..................................................................................................................................................13
Break-In and Warm Up ....................................................................................................................................13
Cleaning and Maintenance ..............................................................................................................................13
SERVICE REFERENCE
PC Board Layout ..............................................................................................................................................14
Parts List ..........................................................................................................................................................15
TRM10.1/TRM12.1 Functional Block Diagrams ..............................................................................................17
Input Circuit ..............................................................................................................................................17
Mono Sum/Gain Circuit ............................................................................................................................17
Phase Control Circuit ................................................................................................................................17
Buffer/Gain Trim Circuit ............................................................................................................................17
Filter Circuits ............................................................................................................................................17
Class-G trans•ana Amplifier......................................................................................................................18
Soft Start Circuit ........................................................................................................................................18
Power On/Off Circuit ................................................................................................................................19
Signal Sensing Turn-On Circuit..................................................................................................................19
Thermal Protection ....................................................................................................................................19
Circuit Calibration ....................................................................................................................................20
Amplifier Replacement ..............................................................................................................................21
Woofer Replacement ................................................................................................................................21
WARRANTY ..........................................................................................................................................................22